Weights for road markers

作者: Yaacov Nagler

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摘要: Weights for road markers and signs having a laminate structure of plurality side walls discarded vehicle tires assembled fastened in stacked configuration slidable over the sign frames. The weight stabilizes marker or to prevent from being blown knocked on its side.

参考文章(6)
James R. Beard, Traffic marker with hanger ,(1989)
George W Clayton, Nestable traffic marker ,(1971)
John B Keats, Conical marker device ,(1968)
Luisito A. Figueroa, Multi-purpose receptacle ,(1990)